UPDATE MONDAY 10 a.m.: Over 500 personnel including six heavy air tankers, eight water dropping helicopters, 30 fire engines, two bulldozers and over 25 ground crews are fighting the Williams Fire in the San Gabriel Canyon area of the Angeles National Forest.

As of 7:30 a.m. the fire has burned 4000 acres. The San Gabriel Canyon has been evacuated including a trailer park. Highway 39 remains closed.

“San Gabriel Canyon will be closed for Labor Day,” said Lisa Lego, US Forest Service spokeswoman. “The cause of the fire is still under investigation.”

The fire is five percent contained and is heading north toward Sheep Mountain Wilderness in the ANF.

UPDATE 11 p.m.: The Williams Fire has now burned 3600 acres and is five percent contained. The fire is moving north, northeast into a wilderness area, according to a U.S. Forest Service spokesperson.

FIRE: As of 6:06 p.m. this evening, over 700 acres have been burned in the San Gabriel canyon area of the Angeles National Forest.

“The fire started at 2:14 p.m. [this afternoon] and is moving north,” said John Wagner, U.S. Forest Service spokesman.

There are 200 crew on hand to battle the blaze with seven air tankers working, he added.

Highway 39 has been completely shut down due to the fire. Evacuations have been made including those of a trailer park in the area. The fire, called the Williams Fire, is heading away from the Crescenta Valley area, Wagner said.